166076749460 has 12 divisors (see below), whose sum is σ = 348761173908. Its totient is φ = 66430699776.

The previous prime is 166076749457. The next prime is 166076749513. The reversal of 166076749460 is 64947670661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41067833104 + 125008916356 = 202652^2 + 353566^2 .

It is a super-2 number, since 2×166076749460² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166076749396 and 166076749405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151918717 + ... + 4151918756.

It is an arithmetic number, because the mean of its divisors is an integer number (29063431159).

Almost surely, 2^166076749460 is an apocalyptic number.

166076749460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166076749460 is an abundant number, since it is smaller than the sum of its proper divisors (182684424448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166076749460 is a wasteful number, since it uses less digits than its factorization.

166076749460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303837482 (or 8303837480 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 166076749460 in words is "one hundred sixty-six billion, seventy-six million, seven hundred forty-nine thousand, four hundred sixty".